Your gcc is 32-bit and ifort is 64-bit. They don't work well together. Install a 64-bit gcc or use a different C compiler (e.g., icc). -- Pavan On Sep 14, 2013, at 8:33 PM, sunyeping wrote:

Dear all,

I am trying to install mpich2-1.4.1p1 onto my centos 5.9 ssystem. I

...

used the following command:

./configure CFLAGS="-fPIC" CXXFLAGS="-fPIC" FFLAGS="-fPIC" --enable-shared--prefix=/opt/mpich2​​

However, I receive error message:

configure: error: **** Incompatible Fortran and C Object File Types! ****F77 Object File Type produced by "ifort -fPIC " is : : ERROR: cannot open `' (No such file or directory). C Object File Type produced by "gcc -fPIC -O2" is : : ELF 64-bit LSB relocatable, AMD x86-64, version 1 (SYSV), not stripped.What does that mean and how to resolve the problem?

Institute of Microbiology, Chinese Academy of Sciences

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-- Pavan Balaji http://www.mcs.anl.gov/~balaji